Learn Coding - Off By One

Istruzione

Solo per iPhone

Gratis · Acquisti in‑app · Progettata per iPhone. Non verificata per macOS.

iPhone

Land your next tech job. Off By One turns learning to code and coding interview prep into a five-minute daily habit. Real interview problems, taught the way you actually learn: step by step, with animated visualizations, guided code building, and complexity quizzes. You watch the algorithm move, then you build it yourself, then you prove you understand why it works. No copy-pasting into a judge, no walls of text. WHAT'S INSIDE • 64 guided lessons across 14 topics: arrays and hashing, two pointers, sliding window, stacks, binary search, linked lists, trees, tries, heaps, backtracking, graphs, dynamic programming, greedy algorithms, and intervals • Every lesson in Python, Java, and JavaScript, each written for that language by hand, never transliterated: the JavaScript version asks JavaScript questions, the Java version asks Java questions • Animated, step-by-step visualizations that show how each algorithm actually works: pointers travel, windows slide, trees traverse • Big-O time and space quizzes on every problem, so you can explain the "why" in the room, not just recite the code • 20 system design stories covering caching, load balancing, sharding, CDNs, rate limiting, database indexing, message queues, CAP, WebSockets, and more • A beginner intro for every topic, so you can start from zero and still end up interview-ready • Streaks, weekly progress charts, and an activity grid that keep you honest, five minutes at a time HOW A LESSON WORKS 1. Understand the problem and the approach in plain language 2. Watch the algorithm run, one step at a time 3. Build the solution yourself with guided code steps 4. Answer for its time complexity 5. Answer for its space complexity Finish a lesson and the next one is waiting: the curriculum is ordered so every topic builds on the one before it. WHO IT'S FOR • Complete beginners who want to learn to code with a clear goal • CS students preparing for internship and new-grad interviews • Self-taught developers filling the data structures and algorithms gap • Working engineers brushing up before the next interview loop START FREE Every lesson and story opens free: read the problem, watch the first steps, get a feel for it. Premium unlocks full visualizations, code building, complexity training, and system design. Off By One Premium is an auto-renewing subscription. Plans: annual with a 3-day free trial, monthly with a 3-day free trial, or weekly. Prices are shown in the app in your local currency. Payment is charged to your Apple ID account at purchase confirmation, or when the free trial ends. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your Apple ID settings. Unused trial time is forfeited on purchase. Privacy Policy: https://www.ijustwantagoodjob.com/off-by-one/privacy-policy Terms of Use: https://www.ijustwantagoodjob.com/off-by-one/terms-of-service

Valutazioni e recensioni

  • L’app non ha ricevuto un numero sufficiente di valutazioni o recensioni per poter mostrare una panoramica.

Off By One has a new look and a bigger mission: learn to code, master the interview. • Fresh app icon with full dark mode support • New artwork across the Learn tab • The app now remembers your programming language between lessons • A simpler, cleaner Settings screen • Smaller download, plus polish and fixes throughout Five minutes a day. See you in there.

Versione 2.1.0

Lo sviluppatore, I JUST WANT LLC, ha indicato che le procedure per la tutela della privacy dell’app potrebbero includere il trattamento dei dati descritto di seguito. Per scoprire di più, consulta l’informativa sulla privacy dello sviluppatore .

  • Dati utilizzati per monitorarti

    I seguenti dati possono essere utilizzati per monitorarti nelle app e nei siti web di proprietà di altre aziende:

    • Acquisti
    • Identificativi
    • Dati sull’utilizzo

  • Dati collegati a te

    I seguenti dati possono essere raccolti e collegati alla tua identità:

    • Acquisti
    • Informazioni di contatto
    • Identificativi
    • Dati sull’utilizzo

  • Dati non collegati a te

    I seguenti dati possono essere raccolti ma non vengono collegati alla tua identità:

    • Diagnosi

Le procedure per la tutela della privacy potrebbero variare, ad esempio in base alle funzionalità che utilizzi o alla tua età. Scopri di più

Accessibilità

Lo sviluppatore non ha ancora indicato le funzioni di accessibilità supportate dall’app. Scopri di più

Informazioni

Dimensioni
  • 92,1 MB
Categoria
  • Istruzione
Compatibilità
Richiede iOS 15.1 o versioni successive.
  • iPhone
    Richiede iOS 15.1 o versioni successive.
  • iPod touch
    Richiede iOS 15.1 o versioni successive.
  • Mac
    Richiede macOS 12.0 o versioni successive e un Mac con chip Apple M1 o versioni successive.
  • Apple Vision
    Richiede visionOS 1.0 o versioni successive.
Lingue
Coreano e altre 6 lingue
  • Coreano, Francese, Giapponese, Inglese, Portoghese, Spagnolo, Tedesco
Età
4+
Acquisti in-app
Sì
  • Premium Monthly Subscription 8,99 €
  • Premium Weekly 3,99 €
  • Premium Annually (1 Year) 17,99 €
  • Premium Monthly (1 Month) 5,99 €
  • Premium Annually 29,99 €
  • Premium Weekly 1,99 €
  • Scopri di più
Fornitore
I JUST WANT LLC
  • I JUST WANT LLC si identificata come operatore commerciale per questa app e ha confermato che il prodotto o il servizio è conforme alla legge dell’Unione europea.
  • Numero DUNS
    119476627
  • Indirizzo
    1035 W Van Buren St
    Chicago Illinois 60607-0100
    Stati Uniti
  • Numero di telefono
    +1 6788343090
  • Email
    jabarickemp@ijustwantagoodjob.com
Copyright
  • © 2026 I JUST WANT LLC
  • Informativa sulla privacy

    • Altro da I JUST WANT LLC

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